代码：
var word = {
"word": add,
"ease": 0.5,
"day": 0
};
var wordlist = wx.getStorageSync("word_list");
wordlist.push(word);
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打印wordlist
1.wx.setStorage({key: 'word_list',data: [{"word":"equip","ease":0.5,"day":0},{"word":"frown","ease":0.5,"day":0},{"word":"fasten","ease":0.5,"day":0}]})2.for(var i=0;i<2;i++){console.log(wordlist[i].word);}2. 在存储数据之前先转成JSON字符串(JSON.stringify)
3. 读取数据时再将数据转换回来(JSON.parse(wx.getStorageSync(word_list)))
按照这个步骤操作试试
盲猜wordlist返回的是个对象，数组才可以调用push
wx.setStorage({key: 'word_list',data: [{"word":"equip","ease":0.5,"day":0},{"word":"frown","ease":0.5,"day":0},{"word":"fasten","ease":0.5,"day":0}]})